Melody

Thanks Chris :)

there are only 5 cases, of course they all total to 36

1)    a, a+5,  twice as big as the first one

2)    a, a+5,  half as big as the first one

3)    a, a+5,  twice as big as the second one

4)    a, a+5,  half as big as the second one one

5)    a, a+5 =2a,  36-3a

What is this question about Chris?

This is a perfectly valid question.   

150.7964473723100754   correct to 2 decimal places

First keep only 3 places

=150.796

now if the last digit is 5 or more, which is is because it is 6 then round the second last one up by one

that is the 2nd decimal place goes up from 9 to 10 .... oh dear that is a problem.

So you will have to put thw .78 up to .80

so the answer is 

= 150.80

I've got an account and I do not see a picture either.    

Hi Geno      

Long time, no see.

I hope you've been well.

We have missed you.    And I /we are glad you have put in an appearance.

Why didn't you log in?

Only post one question at a time.  It gets confusing for answerers PLUS 

you should be showing evidence of trying to answer these for yourself!

Thanks LagTho,

Suggesting a graphing calc was a good idea but you have not told guest where to find one or how to use it!

Also a vertex is a co-ordinate, it needs 2 numbers, with brackets, not just one number.

This is the best online graphing calc around 

Guest, you can just put your graph equation straight in on the left hand side.

What is the question?